<template> 
    <div class="app-container">
      <el-card class="operate-container" shadow="never">
        <i class="el-icon-tickets"></i>
        <span>数据列表</span>
        <el-button
          size="mini"
          @click="handleAdd"
          class="btn-add">添加
        </el-button>
      </el-card>
      <div class="table-container">
        <el-table ref="returnReasonTable"
                  :data="list"
                  style="width: 100%;"
                  @selection-change="handleSelectionChange"
                  v-loading="listLoading" border>
          <el-table-column type="selection" width="60" align="center"></el-table-column>
          <el-table-column label="编号" width="80" align="center">
            <template slot-scope="scope">{{scope.row.id}}</template>
          </el-table-column>
          <el-table-column label="原因类型" align="center">
            <template slot-scope="scope">{{scope.row.name}}</template>
          </el-table-column>
          <el-table-column label="排序" width="100" align="center">
            <template slot-scope="scope">{{scope.row.sort }}</template>
          </el-table-column>
          <el-table-column label="是否可用" align="center">
            <template slot-scope="scope">
              <el-switch
                v-model="scope.row.status"
                @change="handleStatusChange(scope.$index,scope.row)"
                :active-value="1"
                :inactive-value="0">
              </el-switch>
            </template>
          </el-table-column>
          <el-table-column label="添加时间" width="180" align="center">
            <template slot-scope="scope">{{scope.row.createTime | formatCreateTime}}</template>
          </el-table-column>
          <el-table-column label="操作" width="160" align="center">
            <template slot-scope="scope">
              <el-button
                size="mini"
                @click="handleUpdate(scope.$index, scope.row)">编辑</el-button>
              <el-button
                size="mini"
                @click="handleDelete(scope.$index, scope.row)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </div>
      <div class="batch-operate-container">
        <el-select
          size="small"
          v-model="operateType" placeholder="批量操作">
          <el-option
            v-for="item in operateOptions"
            :key="item.value"
            :label="item.label"
            :value="item.value">
          </el-option>
        </el-select>
        <el-button
          style="margin-left: 20px"
          class="search-button"
          @click="handleBatchOperate"
          type="primary"
          size="small">
          确定
        </el-button>
      </div>
      <div class="pagination-container">
        <el-pagination
          background
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          layout="total, sizes,prev, pager, next,jumper"
          :current-page.sync="listQuery.pageNum"
          :page-size="listQuery.pageSize"
          :page-sizes="[5,10,15]"
          :total="total">
        </el-pagination>
      </div>
      <el-dialog
        title="添加退货原因"
        :visible.sync="dialogVisible" width="30%">
        <el-form :model="returnReason"
                 ref="reasonForm" label-width="150px">
          <el-form-item label="原因类型：">
            <el-input v-model="returnReason.name" class="input-width"></el-input>
          </el-form-item>
          <el-form-item label="排序：">
            <el-input v-model="returnReason.sort" class="input-width"></el-input>
          </el-form-item>
          <el-form-item label="是否启用：">
            <el-switch v-model="returnReason.status" :active-value="1" :inactive-value="0"></el-switch>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="dialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="handleConfirm">确 定</el-button>
        </span>
      </el-dialog>
    </div>
  </template>
  <script>
    import {formatDate} from '@/utils/date';
    import {fetchList,deleteReason,updateStatus,addReason,getReasonDetail,updateReason} from '@/api/oms/returnReason';
    const defaultListQuery = {
      pageNum: 1,
      pageSize: 5
    };
    const defaultReturnReason = {
      name:null,
      sort:0,
      status:1,
      createTime:null
    };
    export default {
      name: 'returnReasonList',
      data() {
        return {
          list: null,
          total: null,
          multipleSelection: [],
          listLoading:true,
          listQuery:Object.assign({}, defaultListQuery),
          operateType:null,
          operateOptions: [
            {
              label: "删除",
              value: 1
            }
          ],
          dialogVisible:false,
          returnReason:Object.assign({},defaultReturnReason),
          operateReasonId:null
        }
      },
      created(){
        this.getList();
      },
      filters:{
        formatCreateTime(time) {
          let date = new Date(time);
          return formatDate(date, 'yyyy-MM-dd hh:mm:ss')
        }
      },
      methods: {
        handleAdd() {
          this.dialogVisible=true;
          this.operateReasonId=null;
          this.returnReason=Object.assign({},defaultReturnReason);
        },
        handleConfirm(){
          if(this.operateReasonId==null){
            //添加操作
            addReason(this.returnReason).then(response=>{
              this.dialogVisible=false;
              this.operateReasonId=null;
              this.$message({
                message: '添加成功！',
                type: 'success',
                duration:1000
              });
              this.getList();
            });
          }else{
            //编辑操作
            updateReason(this.operateReasonId,this.returnReason).then(response=>{
              this.dialogVisible=false;
              this.operateReasonId=null;
              this.$message({
                message: '修改成功！',
                type: 'success',
                duration:1000
              });
              this.getList();
            });
          }
        },
        handleUpdate(index, row){
          this.dialogVisible=true;
          this.operateReasonId=row.id;
          getReasonDetail(row.id).then(response=>{
            this.returnReason=response.data.data;
          });
        },
        handleDelete(index, row){
          let ids=[];
          ids.push(row.id);
          this.deleteReason(ids);
        },
        handleSelectionChange(val){
          this.multipleSelection = val;
        },
        handleStatusChange(index,row){
          let ids=[];
          ids.push(row.id);
          let param = new URLSearchParams();
          param.append("status",row.status);
          param.append("ids",ids);
          updateStatus(param).then(response=>{
            this.$message({
              message: '状态修改成功',
              type: 'success'
            });
          });
        },
        handleBatchOperate(){
          if(this.multipleSelection==null||this.multipleSelection.length<1){
            this.$message({
              message: '请选择要操作的条目',
              type: 'warning',
              duration: 1000
            });
            return;
          }
          if(this.operateType===1){
            let ids=[];
            for(let i=0;i<this.multipleSelection.length;i++){
              ids.push(this.multipleSelection[i].id);
            }
            this.deleteReason(ids);
          }
        },
        handleSizeChange(val){
          this.listQuery.pageNum = 1;
          this.listQuery.pageSize = val;
          this.getList();
        },
        handleCurrentChange(val){
          this.listQuery.pageNum = val;
          this.getList();
        },
        getList(){
          this.listLoading = true;
          fetchList(this.listQuery).then(response => {
            this.listLoading = false;
            this.list = response.data.data.list;
            this.total = response.data.data.total;
          });
        },
        deleteReason(ids){
          this.$confirm('是否要进行该删除操作?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
          }).then(() => {
            let params = new URLSearchParams();
            params.append("ids",ids);
            deleteReason(params).then(response=>{
              this.$message({
                message: '删除成功！',
                type: 'success',
                duration: 1000
              });
              this.listQuery.pageNum=1;
              this.getList();
            });
          })
        },
      }
    }
  </script>
  <style scoped>
    .input-width {
      width: 80%;
    }
  </style>